Spent an hour or so comparing a couple drive pedals. The comparisons are done at two excitation levels: high and low with low being 40dB lower. All knobs at noon.
Here we have the Axe-Fx vs. a Klon:

Blue and orange are the Klon.
And here we have another modeler vs. the Klon:

Here we have the Nobels ODR-1 vs. a preliminary model on the Axe-Fx:

And here we have the ODR1 vs. the other modeler:

Here we have the Axe-Fx vs. a Klon:

Blue and orange are the Klon.
And here we have another modeler vs. the Klon:

Here we have the Nobels ODR-1 vs. a preliminary model on the Axe-Fx:

And here we have the ODR1 vs. the other modeler:

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... there are some drastic differences at 20k. 


